Home / 15,601.70-21,527.83-8,887.46

Finding the Fourth Proportional to 15,601.70, 21,527.83 and 8,887.46

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Solution

The fourth proportional to 15,601.70, 21,527.83 and 8,887.46 is: 12,263.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,601.70 : 21,527.83 = 8,887.46 : x
  2. Step 2: Convert to fraction form
    15,601.70/21,527.83 = 8,887.46/x
  3. Step 3: Cross multiply
    15,601.70x = 21,527.83 × 8,887.46
  4. Step 4: Simplify right side
    15,601.70x = 191,327,674.19
  5. Step 5: Solve for x
    x = 191,327,674.19/15,601.70
  6. Step 6: Final answer
    x = 12,263.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.